DIN EN ISO 10360-5:2011

Geometrical product specifications (GPS) - Acceptance and reverification tests for coordinate measuring machines (CMM) - Part 5: CMMs using single and multiple stylus contacting probing systems (ISO 10360-5:2010); German version EN ISO 10360-5:2010

This part of ISO 10360 is a geometrical product specification (GPS) standard and is to be regarded as a general GPS standard (see ISO/TR 14638). It influences chain link 5 of the chains of standards of size, distance, radius, angle, form, orientation, location, run-out and datums. For more detailed information on the relation of this part of ISO 10360 to other standards and the GPS matrix model see Annex D. The acceptance and reverification tests described in this part of ISO 10360 are applicable to CMMs that use contacting probes, with or without multiple styli or multiple articulated probe positions when measuring a workpiece. Experience has shown that the multiple-stylus errors calculated using this part of ISO 10360 are significant and, at times, the dominant errors in the CMM. Owing to the virtually infinite variety of modern CMM probing system configurations, the tests specified by this part of ISO 10360 have been limited to providing a testing format only. The tests are intended to provide information on the ability of a CMM to measure a feature or features, using a contacting probe and, when relevant, using multiple styli, multiple probes or multiple articulated-probe positions. The situations to which they are applicable include . contacting probing systems . multiple styli connected to the CMM probe (e. g. a star), . installations using an articulating probing system (motorized or manual) that can be prequalified, . installations using a repeatable probe-changing system, . installations using a repeatable stylus-changing system, and . multiple-probe installations. It is believed that the procedures given in this part of ISO 10360 will be helpful in minimizing CMM system uncertainty components for specific measurement tasks, and that the user will be able to reduce errors by removing contributing elements such as long probe extensions and styli, then retesting the new configuration set. The tests in this part of ISO 10360 are sensitive to many errors attributable to both the CMM and the probing system, and are to be performed in addition to the length measuring tests given in ISO 10360-2. Clause 3 in this part of ISO 10360 contains eight definitions 3.6 to 3.13 which supersede 14 similar definitions in Clause 9 of ISO 10360-1:2001. Some of these revised definitions are required to avoid ambiguities which would otherwise have been introduced with this issue of ISO 10360-5. Others supersede effectively identical definitions in ISO 10360-1, because the symbols used have been revised and expanded for clarification. The superseded definitions are 9.3, 9.4 and 9.15 to 9.26.*This part of DIN EN ISO 10360 specifies acceptance and periodic reverification tests of CMM performance with contacting probing systems and is only applicable to CMMs using any type of contacting probing system, a discrete point probing mode, and spherical or hemispherical stylus tip(s). It complements DIN EN ISO 10360-7 for CMMs with video probing systems, and ISO 10360-2, which is universal, that means not probe-type specific. It is the CMM probing performance tests which are specified by the maximum permissible errors (MPEs), due to the impracticality of isolating the performance of the probing system from that of the CMM, even on a small artefact such as a test sphere. This part of DIN EN ISO 10360 is used for single-stylus probing systems, multi-stylus probing systems with fixed multiple styli attached to a single probe (for example, "star" stylus), multiple probing systems with a stylus for each of their probes, systems with articulating probing, stylus and probe changing systems, or manual (non-driven) CMMs. This part of DIN EN ISO 10360 is not applicable to non-contacting probing systems, which require different testing procedures. The terms "multi-stylus size error", and so on, should strictly be written "combined CMM and multi-stylus probing system size error", and so on. For convenience, the wording has been truncated, to avoid any ambiguity. If it is desired to isolate the probing-system performance as far as is practical, the influence of the CMM can be minimized. See Annex C for more information. Potential users of this generic standard are manufacturers and operators of CMMs in all industrial sectors, where CMMs are used (for example, the motor vehicle industry). In particular, the standard deals with safety aspects. Clause 3 of this part of ISO 10360 contains eight definitions, 3.6 to 3.13, which replace 14 similar definitions of clause 9 of ISO 10360-1. Some of these changed definitions are required to avoid ambiguities which would otherwise have been introduced with this edition of ISO 10360-5. Others effectively supersede identical definitions in ISO 10360-1, because the symbols used have been revised and expanded for clarification. The superseded definitions are 9.3, 9.4 and 9.15 to 9.26. The Committee responsible for this standard is NA 152-03-02-12 UA "Koordinatenmesstechnik (GMA 3.31)" ("Coordinate Metrology (GMA 3.31)") at DIN.